7.16 Education of the self-employed According to a recent Current Population Reports, the population distribution of number
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7.16 Education of the self-employed According to a recent Current Population Reports, the population distribution of number of years of education for self-employed individuals in the United States has a mean of 13.6 and a standard deviation of 3.0.
a. Identify the random variable X whose population distribution is described here.
b. Find the mean and standard deviation of the sampling distribution of x for a random sample of size 100.
Interpret the results.
c. Repeat part b for n = 400. Describe the effect of increasing n.
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Related Book For 
Statistics The Art And Science Of Learning From Data
ISBN: 9781292164878
4th Global Edition
Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg
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